Question about 2000 Volvo S80
I have a Volvo s80 T6 and when the a/c is on the the motor vibrates a lot. It sometimes vibrates the inside on the car. I feel like its definitely a problem. I have heard other people S80s and when their ac and clutch kicks on it isnt loud at all. when the a/c is off I have no problem.
The problem happens at idle most of the time. Also the motor sounds like a diesel truck. Im sure I have an exhaust leak but the motor doesnt need to sound like a truck. I really need some professional advice please.
Volvos are hard to diagnose without a visual, but there are a couple of issues that I will try, There is a solonoid that increases the revs when the air con is switched on, this helps the engine with the extra load, if the vaccuum or electric supply to this solonoid fails the revs will not increase and drop the revs causing extreme hardship and rough idle. Lastly, inspect all supporting engine mounts, make sure they are not split or oil saturated. Hope these tips help you minimize costs and resolve your problem, safe driving.
Posted on Jun 01, 2010
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Posted on Jan 02, 2017
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